CN215921804U

CN215921804U - Damping mechanism of cross-country type trailer hub

Info

Publication number: CN215921804U
Application number: CN202121493386.6U
Authority: CN
Inventors: 王松涛
Original assignee: Hebei Songhua Trailer Manufacturing Co ltd
Current assignee: Hebei Songhua Trailer Manufacturing Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-01
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a damping mechanism of a wheel hub of a cross-country trailer, which relates to the field of trailer. According to the utility model, the damping mechanism is arranged, the requirements of different road conditions are met through the vertical swing of the swing arm hung on the frame, the bumping of the road surface is eliminated through the damping spring and the damping, the damping can slow down the vertical jumping speed, the comfort is improved, the damping spring can adapt to the impact of larger force, the length of the steel chain is used as the maximum extension distance of the damping spring, when the damping spring is impacted greatly, the upper limiting block and the lower limiting block can be contacted, the sum of the lengths of the upper limiting block and the lower limiting block is greater than the minimum compression length of the damping spring, the compression between rings of the damping spring is effectively avoided, the damping spring is prevented from being damaged, the vehicle body bumping is reduced conveniently, and the comfort is improved.

Description

Damping mechanism of cross-country type trailer hub

Technical Field

The utility model relates to the field of trailer caravans, in particular to a damping mechanism of a hub of a cross-country trailer caravan.

Background

The pull type motor home is one under the motor home, is different from a self-propelled motor home, does not have power by the pull type motor home, needs an additional vehicle to pull the motor home to travel, and can be divided into a pull type A type motor home, a pull type B type motor home, a pull type C type motor home, a pull type D type motor home, a mobile villa type A and a mobile villa type B type motor home according to different settings of appearance and functions.

However, in the process of using the cross-country trailer as a house, when the trailer encounters a pothole road surface, the trailer is easy to generate large jolts, the comfort of people is affected, electrical equipment in the trailer is easy to damage, and the structure is needed to reduce jolts, so that the comfort is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the structure needs to be reduced in bump and the comfort is improved, the damping mechanism of the hub of the cross-country trailer caravan is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a damping mechanism of a hub of a cross-country trailer caravan comprises a main body, a damping mechanism and an installation mechanism, wherein the main body comprises a frame, and the hub is arranged below the frame;

the damping mechanism is connected the mounting bracket including being located the frame bottom, the one end of mounting bracket is connected with the swing arm, the one end of swing arm links to each other with wheel hub, be connected with damping spring between swing arm and the frame, damping spring's inside is located the bottom of frame and is connected with spacing piece, the top of swing arm is located damping spring's internal connection has spacing piece down, the top of swing arm and the bottom of frame all are provided with the connecting seat, two be connected with the steel chain between the connecting seat, the bottom that one side of connecting seat is located the frame is connected with the mount pad, the inner wall connection of mount pad has the damping.

As a still further scheme of the utility model: installation mechanism is including the mounting groove that is located swing arm one end, the inner wall of mounting groove and mount pad all is provided with the spread groove, installation mechanism is still including the connecting block that is located the damping both ends, the outer wall connection of connecting block has the spliced pole, the outer wall connection that one side of spliced pole is located the connecting block has the turning block, the inner wall connection of turning block has the fixed column, the one end of fixed column is connected with first gear, be connected with reset spring between first gear and the turning block, the outer wall connection of first gear has the second gear, the inner wall connection of second gear has the lead screw, the outer wall of lead screw is connected with the inner wall of spliced pole, the outer wall of turning block is provided with the fixed slot, the inner wall connection of fixed slot has the fixed block, the one end of fixed block is connected with fixing spring.

As a still further scheme of the utility model: the mounting frame is connected with the swing arm through a rotating shaft, and the swing arm is connected with the hub through the rotating shaft.

As a still further scheme of the utility model: the sum of the lengths of the upper limiting block and the lower limiting block is larger than the minimum compression length of the damping spring.

As a still further scheme of the utility model: the inner walls of the mounting seat and the mounting groove are attached to the outer wall of the connecting block, and the outer wall of the connecting column is attached to the inner wall of the connecting groove.

As a still further scheme of the utility model: the inner wall of the rotating block is attached to the outer wall of the fixed column, gear teeth of the first gear are meshed with gear grooves of the second gear, internal threads are arranged on the inner wall of the connecting column, and external threads of the screw rod are attached to the internal threads of the connecting column.

As a still further scheme of the utility model: the inner wall of fixed slot laminates with the outer wall of fixed block mutually, the one end of fixed block is the inclined plane, the inclined plane contacts with the fixed slot.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the damping mechanism, the requirement of different road conditions is met through the vertical swing of the swing arm hung on the frame, the bumping of the road surface is eliminated through the damping spring and the damping, the damping can slow down the vertical jumping speed, the comfort is improved, the damping spring can adapt to the impact of larger force, the length of the steel chain is used as the maximum extension distance of the damping spring, when the damping spring is impacted greatly, the upper limiting block and the lower limiting block can be contacted, the sum of the lengths of the upper limiting block and the lower limiting block is greater than the minimum compression length of the damping spring, the extrusion between each ring of the damping spring is effectively avoided, the damping spring is prevented from being damaged, the bumpy vehicle body is convenient to reduce, and the comfort is improved;

2. through setting up installation mechanism, when changing the damping, promote two turning blocks simultaneously, the turning block displacement drives the spliced pole position and shifts out the spread groove, the cancellation is fixed to the spliced pole, pull down the spliced pole, thereby demolish the damping, change the damping back, insert the mounting groove with the connecting block, it drives the spliced pole and gets into the spread groove and fix to rotate the turning block, loosen the turning block after the completion, the turning block resets by reset spring elastic action, the fixed block gets into the fixed slot by fixed spring elastic action, fix the turning block, be convenient for carry out quick change to the damping.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the damper of the present invention;

FIG. 3 is a schematic view of the installation mechanism of the present invention.

In the figure: 1. a main body; 101. a frame; 102. a hub; 2. a damping mechanism; 201. a mounting frame; 202. swinging arms; 203. A damping spring; 204. an upper limit block; 205. a lower limiting block; 206. a connecting seat; 207. a steel chain; 208. a mounting seat; 209. damping; 3. an installation mechanism; 301. mounting grooves; 302. connecting grooves; 303. connecting blocks; 304. connecting columns; 305. Rotating the block; 306. fixing a column; 307. a first gear; 308. a return spring; 309. a second gear; 310. a screw rod; 311. fixing grooves; 312. a fixed block; 313. the spring is fixed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 3, in an embodiment of the present invention, a damping mechanism for a hub of a cross-country trailer caravan includes a main body 1, a damping mechanism 2 and an installation mechanism 3, wherein the main body 1 includes a frame 101, and a hub 102 is disposed below the frame 101;

wherein, damper 2 is including being located frame 101 bottom connection mounting bracket 201, the one end of mounting bracket 201 is connected with swing arm 202, the one end of swing arm 202 links to each other with wheel hub 102, be connected with damping spring 203 between swing arm 202 and the frame 101, damping spring 203's inside is located the bottom of frame 101 and is connected with spacing piece 204, the top of swing arm 202 is located damping spring 203's internal connection and is limited piece 205 down, the top of swing arm 202 and the bottom of frame 101 all are provided with connecting seat 206, be connected with steel chain 207 between two connecting seats 206, the bottom that one side of connecting seat 206 is located frame 101 is connected with mount pad 208, the inner wall connection of mount pad 208 has damping 209, be convenient for carry out the shock attenuation.

Please refer to fig. 3, the mounting mechanism 3 includes a mounting groove 301 at one end of the swing arm 202, the mounting groove 301 and the inner wall of the mounting seat 208 are both provided with a connecting groove 302, the mounting mechanism 3 further includes a connecting block 303 at two ends of the damper 209, the outer wall of the connecting block 303 is connected with a connecting post 304, one side of the connecting post 304 is connected with a rotating block 305 at the outer wall of the connecting block 303, the inner wall of the rotating block 305 is connected with a fixed column 306, one end of the fixed column 306 is connected with a first gear 307, a return spring 308 is connected between the first gear 307 and the rotating block 305, the outer wall of the first gear 307 is connected with a second gear 309, the inner wall of the second gear 309 is connected with a screw rod 310, the outer wall of the screw rod 310 is connected with the inner wall of the connecting post 304, the outer wall of the rotating block 305 is provided with a fixed groove 311, the inner wall of the fixed groove 311 is connected with a fixed block 312, one end of the fixed block 312 is connected with a fixed spring 313, facilitating quick installation and removal of the damper 209.

Please refer to fig. 1, the mounting frame 201 is connected to the swing arm 202 through a rotating shaft, so that the mounting frame 201 and the swing arm 202 rotate relatively, and the swing arm 202 is connected to the hub 102 through the rotating shaft, so that the swing arm 202 and the hub 102 rotate relatively.

Referring to fig. 1 and 2, the sum of the lengths of the upper and lower limiting

blocks

204 and 205 is greater than the minimum compression length of the damping spring 203, so as to prevent the damping spring 203 from being damaged.

Please refer to fig. 3, the inner walls of the mounting seat 208 and the mounting groove 301 are attached to the outer wall of the connecting block 303, so that the connecting block 303 can rotate relative to the mounting seat 208 and the mounting groove 301, the outer wall of the connecting column 304 is attached to the inner wall of the connecting groove 302, and the outer wall of the connecting column 304 is attached to the connecting groove 302 for connection.

Please refer to fig. 3, the inner wall of the rotating block 305 is attached to the outer wall of the fixed column 306, so that the rotating block 305 slides on the outer wall of the fixed column 306, the teeth of the first gear 307 are engaged with the teeth grooves of the second gear 309, so that the first gear 307 rotates to drive the second gear 309 to rotate, the inner wall of the connecting column 304 is provided with internal threads, the external threads of the screw rod 310 are attached to the internal threads of the connecting column 304, and the screw rod 310 rotates to drive the connecting column 304 to displace.

Please refer to fig. 3, the inner wall of the fixing groove 311 is attached to the outer wall of the fixing block 312, so that the inner wall of the fixing groove 311 is attached to the outer wall of the fixing block 312 for fixing, one end of the fixing block 312 is an inclined surface, and the inclined surface is in contact with the fixing groove 311, so that the fixing block 312 is forced to move.

The working principle of the utility model is as follows: firstly, the requirement of different road conditions is met through the up-and-down swinging of the swinging arm 202 hung on the frame 101, the bumping on the road surface is eliminated through the damping spring 203 and the damping 209, the up-and-down jumping speed can be reduced through the damping 209, the comfort is improved, the damping spring 203 can adapt to the impact of larger force, the steel chain 207 is used as the maximum extension distance of the damping spring 203 through the length of the steel chain, when the damping spring 203 is impacted greatly, the upper limiting block 204 is contacted with the lower limiting block 205, the sum of the lengths of the upper limiting block 204 and the lower limiting block 205 is greater than the minimum compression length of the damping spring 203, the compression between each ring of the damping spring 203 is effectively avoided, the damping spring 203 is prevented from being damaged, the bumping vehicle body is convenient to be reduced, the comfort is improved, when the damping is replaced, the two rotating blocks 305 are simultaneously pushed, the rotating block 305 is displaced to drive the fixing block 312 to be forced to be displaced out of the fixing groove 311, the rotating block 305 is rotated, the rotating block 305 rotates to drive the fixed column 306 to rotate, the fixed column 306 rotates to drive the first gear 307 to rotate, the first gear 307 rotates to drive the second gear 309 to rotate, the second gear 309 rotates to drive the screw rod 310 to rotate, the screw rod 310 rotates to drive the connecting column 304 to displace, the connecting column 304 displaces out of the connecting groove 302, fixing of the connecting column 304 is cancelled, the connecting column 304 is detached, the damping 209 is detached, after the damping 209 is replaced, the connecting block 303 is inserted into the mounting groove 301, the rotating block 305 rotates to drive the connecting column 304 to enter the connecting groove 302 to be fixed, the rotating block 305 is released after the completion, the rotating block 305 is reset under the elastic action of the reset spring 308, the fixed block 312 enters the fixed groove 311 under the elastic action of the fixed spring 313, the rotating block 305 is fixed, and rapid replacement of the damping 209 is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A damping mechanism of a hub of a cross-country trailer caravan comprises a main body (1), a damping mechanism (2) and an installation mechanism (3), and is characterized in that the main body (1) comprises a frame (101), and the hub (102) is arranged below the frame (101);

wherein the damping mechanism (2) comprises a mounting frame (201) which is arranged at the bottom end of the frame (101), one end of the mounting rack (201) is connected with a swing arm (202), one end of the swing arm (202) is connected with the hub (102), a damping spring (203) is connected between the swing arm (202) and the frame (101), the inner part of the damping spring (203) is positioned at the bottom end of the frame (101) and is connected with an upper limiting block (204), the top end of the swing arm (202) is positioned in the damping spring (203) and is connected with a lower limit block (205), the top end of the swing arm (202) and the bottom end of the frame (101) are both provided with connecting seats (206), a steel chain (207) is connected between the two connecting seats (206), one side of the connecting seat (206) is located at the bottom end of the frame (101) and is connected with a mounting seat (208), and the inner wall of the mounting seat (208) is connected with a damper (209).

2. A damping mechanism of a cross-country trailer caravan hub according to claim 1, wherein the mounting mechanism (3) comprises a mounting groove (301) at one end of a swing arm (202), the mounting groove (301) and the inner wall of a mounting seat (208) are both provided with a connecting groove (302), the mounting mechanism (3) further comprises connecting blocks (303) at both ends of a damper (209), the outer wall of the connecting block (303) is connected with a connecting column (304), one side of the connecting column (304) is connected with a rotating block (305) at the outer wall of the connecting block (303), the inner wall of the rotating block (305) is connected with a fixed column (306), one end of the fixed column (306) is connected with a first gear (307), a return spring (308) is connected between the first gear (307) and the rotating block (305), the outer wall of the first gear (307) is connected with a second gear (309), the inner wall of second gear (309) is connected with lead screw (310), the outer wall of lead screw (310) is connected with the inner wall of spliced pole (304), the outer wall of turning block (305) is provided with fixed slot (311), the inner wall of fixed slot (311) is connected with fixed block (312), the one end of fixed block (312) is connected with fixed spring (313).

3. A damping mechanism for a hub of an off-road trailer as claimed in claim 1, wherein the mounting bracket (201) is connected with the swing arm (202) through a rotating shaft, and the swing arm (202) is connected with the hub (102) through a rotating shaft.

4. A damping mechanism for a hub of an off-road trailer as claimed in claim 1, wherein the sum of the lengths of the upper and lower stop blocks (204, 205) is greater than the minimum compressed length of the damping spring (203).

5. A damping mechanism for a hub of an off-road trailer as claimed in claim 2, wherein the inner walls of the mounting seat (208) and mounting groove (301) are attached to the outer wall of the connecting block (303), and the outer wall of the connecting column (304) is attached to the inner wall of the connecting groove (302).

6. A damping mechanism of a wheel hub of an off-road trailer as claimed in claim 2, wherein the inner wall of the rotating block (305) is attached to the outer wall of the fixed column (306), the teeth of the first gear (307) are engaged with the teeth grooves of the second gear (309), the inner wall of the connecting column (304) is provided with internal threads, and the external threads of the screw rod (310) are attached to the internal threads of the connecting column (304).

7. A damping mechanism for a hub of an off-road trailer as claimed in claim 2, wherein the inner wall of the fixing slot (311) is attached to the outer wall of the fixing block (312), one end of the fixing block (312) is a slope, and the slope is in contact with the fixing slot (311).